Which of the following 802.11 standards can operate at both 2.4 GHz and 5.0 GHz?（）
- A、A
- B、B
- C、G
- D、N
正确答案:D
答案解析:有
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CompTIA认证考试
CompTIA认证考试
Which of the following 802.11 standards can operate at both 2.4 GHz and 5.0 GHz?（）
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